CN215984170U - Fin with parallelogram cross section - Google Patents
Fin with parallelogram cross section Download PDFInfo
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- CN215984170U CN215984170U CN202121753063.6U CN202121753063U CN215984170U CN 215984170 U CN215984170 U CN 215984170U CN 202121753063 U CN202121753063 U CN 202121753063U CN 215984170 U CN215984170 U CN 215984170U
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Abstract
The utility model discloses a fin with a parallelogram section, which is wavy, a plurality of U-shaped grooves distributed alternately up and down are formed in the fin, and the upper end and the lower end of the fin are oblique planes in the same direction, so that the side surface is in a parallelogram shape. The process of the utility model prepares the fin with the parallelogram cross section, and the heat dissipation plate manufactured by utilizing the fin can fully receive the wind of the fan in the heat exchanger for fully dissipating heat.
Description
Technical Field
The utility model relates to the technical field of heat exchanger production, in particular to a fin with a parallelogram section.
Background
Most of heat exchange plates in the existing heat exchange equipment are arranged at intervals through radiating pipes and fins, and carry out heat exchange with media in the radiating pipes through cold air passing through the fins, most of the fins used at present adopt square metal sheets for rolling to form ventilation grooves which are alternated up and down, however, when such fins are mounted on the header, the ventilation slots are perpendicular to the plane of the entire heat exchanger plate, which, when the heat exchanger plate is used in different radiators, because the installation direction of the heat exchange plate is different, the direction of the heat dissipation wind is often different from that of the ventilation slot, so that the air intake quantity in the fins is small, the heat dissipation effect is poor, for example, the air-cooled machine room air conditioner utilizes a fan to forcibly exchange heat, an air field is formed after the outdoor fan operates, external air is forced to exchange heat with refrigerants such as R22 and the like or secondary refrigerants such as water and the like in the condenser, and outdoor cold energy is transmitted into the machine room through heat exchange, so that temperature control inside the machine room is achieved. The V-shaped condenser is small in occupied area, and more heat exchange areas are arranged in a small space, so that the V-shaped condenser is favored by many manufacturers. However, in the existing V-shaped condenser, the heat dissipation plate is arranged in a V shape, and the fan blowing downward is arranged above the heat dissipation plate to accelerate the heat dissipation of the heat dissipation plate, but because the fins in the heat dissipation plate form a certain angle with the vertical downward wind direction, most of the wind blown out by the fan cannot enter the fins to play a role in heat dissipation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a manufacturing process of a parallelogram section fin, which can adjust the beveling angle of the fin according to the using condition of the fin, prepare different fins when being installed in different heat exchangers and solve the problems in the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a fin of parallelogram cross-section which characterized in that: the fins are wavy, a plurality of U-shaped grooves distributed alternately up and down are formed in the fins, and the upper ends and the lower ends of the fins are oblique planes in the same direction, so that the side faces are in a parallelogram shape.
A preparation process of a fin with a parallelogram section comprises the following operation steps:
(1) sheet cutting: taking a metal sheet with the upper long edge and the lower long edge parallel, cutting the upper long edge and the lower long edge into two identical wavy sidelines, wherein the wave crests of the upper wavy sideline and the lower wavy sideline correspond to the wave crests, and the wave troughs correspond to the wave troughs;
(2) and (3) rolling and forming: and (2) placing the sheet material obtained in the step (1) into a roller press for rolling and forming, wherein during rolling, a connecting line of a trough of the upper sideline and a trough of the lower sideline is rolled downwards to form the lowest point of the ventilation groove, and meanwhile, a connecting line of a crest of the upper sideline and a crest of the lower sideline is rolled upwards to form the highest point of the ventilation groove, so that the fins with the upper ventilation groove and the lower ventilation groove alternated are formed.
Further, in the step (1), the metal sheet is an aluminum material, and the height of the crest and the depth of the trough of the wavy line sideline are changed by using different wavy cutting tools.
Further, in the step (2), the ventilation groove is a U-shaped or square groove.
Furthermore, the fins are wavy, a plurality of U-shaped grooves distributed alternately up and down are formed in the fins, and the upper ends and the lower ends of the fins are oblique planes facing to the same direction, so that the side faces are in a parallelogram shape.
The process for preparing the heat exchange plate by utilizing the fins prepared by the process horizontally places the upper and lower surfaces of the fins to enable the long side surfaces of the fins to be inclined, enables the radiating pipes to be tightly attached to the long side surfaces of the fins, and enables the fins and the radiating pipes to be arranged at intervals, the two ends of all the radiating pipes to be fixed by two collecting chambers respectively, and the radiating pipes are obliquely fixed between the collecting pipes at a certain angle.
According to the fin with the parallelogram section and the heat exchange plate manufactured by the fin, the technical effects are as follows:
1. the radiating pipes in the fin-prepared heat exchange plate prepared by the process are obliquely arranged, the radiating pipes with larger width can be installed in the collecting pipes with the same thickness, the radiating area is increased, the fins with different beveling angles are used according to the installation direction of the heat exchange plates in the heat exchanger and the air vents formed by the U-shaped grooves in the installed fins are consistent with the air direction in the heat exchanger, the maximum air intake in the fins is ensured, and the radiating effect is ensured.
2. The heat exchanger prepared by the fin provided by the utility model has the advantages that the wind direction of the fan and the direction of the ventilation opening in the fin are arranged in the same direction, so that the fin can fully dissipate heat, and the heat exchange efficiency is accelerated;
3. the upper end surface and the lower end surface of the fin are arranged into the inclined cutting surfaces, and the U-shaped groove becomes long, so that the area of the vent holes on the surface of the whole heat dissipation plate is increased, the air inlet amount is large, and the heat exchange speed is increased;
4. according to the process, the upper and lower side lines of the sheet are cut into wavy lines and then rolled, so that the sheet is easy to cut, and is shaped and not easy to deform after being cut;
5. the radiating pipes and the fins of the heat exchange plate prepared by the utility model are arranged between the collecting pipes at the two ends at intervals, and the heat exchange is carried out by utilizing the air passing through the U-shaped grooves in the fins and the medium in the radiating pipes, so that the heat exchange effect is good;
drawings
FIG. 1 is a schematic view of the overall structure of a fin of the present invention;
FIG. 2 is a schematic side view of a fin according to the present invention;
figure 3 is a schematic view showing the overall structure of the V-shaped heat sink in embodiment 5,
FIG. 4 is a schematic cross-sectional view of a V-shaped heat sink according to embodiment 5;
fig. 5 is a schematic view of the overall structure of the V-shaped radiator in comparative example 1;
fig. 6 is a schematic view of the overall structure of the water radiator in embodiment 4;
fig. 7 is a schematic view of the entire structure of an intercooler in embodiment 5.
In the figure, a fan 1, a heat radiation plate 2, a collecting pipe 3, a heat radiation pipe 4 and a fin 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A preparation process of a fin with a parallelogram section comprises the following operation steps:
(1) sheet cutting: taking a metal sheet with the upper long edge and the lower long edge parallel, cutting the upper long edge and the lower long edge into two identical wavy sidelines, wherein the wave crests of the upper wavy sideline and the lower wavy sideline correspond to the wave crests, and the wave troughs correspond to the wave troughs;
(2) and (3) rolling and forming: and (2) placing the sheet material obtained in the step (1) into a roller press for rolling and forming, wherein during rolling, a connecting line of a trough of the upper sideline and a trough of the lower sideline is rolled downwards to form the lowest point of the ventilation groove, and meanwhile, a connecting line of a crest of the upper sideline and a crest of the lower sideline is rolled upwards to form the highest point of the ventilation groove, so that the fins with the upper ventilation groove and the lower ventilation groove alternated are formed.
Wherein the metal sheet is an aluminum material, and the height of the wave crest and the depth of the wave trough of the wave line sideline are changed by using different wave-shaped cutting tools.
Wherein the ventilation groove is U-shaped. The fins are wavy, a plurality of U-shaped grooves distributed alternately up and down are formed in the fins, and the upper ends and the lower ends of the fins are oblique planes in the same direction, so that the side faces are in a parallelogram shape.
The ventilation grooves can also be square or in other shapes as long as the grooves are formed and distributed alternately up and down.
Example 2
Utilize the technology of fin preparation heat transfer plate of the technology preparation of embodiment 1, place the upper and lower surface level of fin and make the long side of fin personally submit the slope form, make the cooling tube hug closely the long side of fin face, fin and cooling tube interval set up, the both ends of all cooling tubes are fixed with two collecting chambers respectively, make the cooling tube be certain angle slope and fix between the pressure manifold, the angle of cooling tube slope is unanimous with the angle of the upper and lower both ends face beveling of fin, this angle can change according to the position of heat transfer plate installation, the cutter when adjusting the sheet and tailorring can, use not to tailor with wavy cutter.
Example 3
As shown in fig. 1 and 2, a fin having a parallelogram cross section, which is manufactured by the process of example 1, is waved and has a plurality of U-shaped grooves alternately formed therein, and the upper and lower ends thereof are chamfered in the same direction, so that the side surface thereof is formed into a parallelogram. The fins are integrally made of aluminum materials, and the beveling angles of the upper end surface and the lower end surface of each fin can be determined according to the use condition of the heat exchanger in which the fin is installed. This fin simple structure can install the bigger cooling tube of width in the pressure manifold of same thickness, increases heat radiating area, can guarantee the intake through the direction of adjusting the oblique angle regulation U type groove vent moreover. When the fin is used in different heat exchangers, the fin can also increase windowing, increase the ventilation efficiency and further improve the heat exchange performance.
Example 4
A fin with a parallelogram section is wavy, a plurality of U-shaped grooves distributed alternately up and down are formed in the fin, and the upper end and the lower end of the fin are oblique planes in the same direction, so that the side surface is in a parallelogram shape. The heat exchange plate manufactured by utilizing the fins with the parallelogram cross sections comprises collecting pipes, radiating pipes and fins, wherein two ends of each radiating pipe are fixed and communicated through the collecting pipes, the radiating pipes are erected between the collecting pipes at the two ends at the inclined sides, the fins are attached to the radiating pipes, and the upper end surfaces and the lower end surfaces of the fins are obliquely cut to enable the side surfaces of the fins to be in a parallelogram shape. According to the fact that the heat exchange plate is used on different heat exchangers, fins with different beveling angles are used according to the installation direction of the heat exchange plate in the heat exchanger, the ventilation opening formed by the U-shaped groove in the installed fin is enabled to be consistent with the wind direction in the heat exchanger, the maximum air inlet amount in the fin is guaranteed, and the heat dissipation effect is guaranteed.
The upper end face of the fin and the upper edge of the radiating pipe are located on the same plane, the lower surface of the fin and the lower edge of the radiating pipe are located on the same plane, and the fin and the radiating pipe are enabled to be obliquely arranged between the collecting pipes side by side and the upper surface and the lower surface of the fin are flush.
The cooling tube includes preceding lamellar body, back lamellar body and high frequency welding point, preceding lamellar body and back lamellar body are a lamellar body and are buckled and form, and the circular-arc end of anter body and back lamellar body forms confined circular-arc through high frequency welding, all have a plurality of folding strengthening ribs on preceding lamellar body and the back lamellar body, should fold the strengthening rib and fall into a plurality of lumens with multichannel diplopore cooling tube. Pits are uniformly distributed on the surface of the radiating pipe, and the angles of the pits are randomly arranged.
The heat exchange plate is used for carrying out heat exchange in various heat exchangers, and when the heat exchange plate is installed in the heat exchanger, the direction of an air vent formed by a U-shaped groove in the fin is consistent with the wind direction, so that the heat exchange plate can receive the wind quantity to the maximum degree and fully dissipate heat.
Example 5
Utilize the heating panel of embodiment 2 preparation V type condenser, as shown in fig. 2, utilize the V type condenser of the fin preparation of parallelogram cross-section, including fan 1, heating panel 2 has two to be the V type setting, the fan level sets up and spanes between two heating panels in the top of V type heating panel, heating panel 2 includes two pressure manifold 3, cooling tube 4 and fin 5, cooling tube and fin interval arrangement, the both ends of all cooling tubes are fixed and communicate through the pressure manifold, cooling tube 4 sets up and is certain angle with the pressure manifold immediately in vertical direction, fin 5's upper and lower surperficial bevelling makes the fin side be parallelogram shape, cooling tube 4 is fixed with hugging closely of fin 5.
The fins 5 are laterally erected between the radiating pipes 4 to enable the ventilation openings in the fins to be in a vertical downward direction, the upper surfaces of the fins and the upper edges of the radiating pipes are located on the same plane, and the lower surfaces of the fins and the lower edges of the radiating pipes are located on the same plane. The fins are wavy, a plurality of U-shaped grooves which are distributed in a vertically staggered mode are formed, and a certain angle is formed between the vertical downward arrangement of the U-shaped grooves and the heat dissipation plate. The angle between the U-shaped groove and the heat dissipation plate is complementary with the angle between the heat dissipation plate and the ground.
Radiating tube 4 is including preceding lamellar body, back lamellar body and high frequency welding point, preceding lamellar body and back lamellar body are a lamellar body and are buckled and form, and the circular-arc end of anter body and back lamellar body forms confined circular-arcly through high frequency welding, all have one or more folding strengthening rib on preceding lamellar body and the back lamellar body, should fold the strengthening rib and fall into two or more lumens with multichannel diplopore radiating tube, the surperficial evenly distributed of radiating tube has the pit, and the angle of this pit sets up at random. The reinforcing ribs are arranged to enhance the strength of the whole pipe body, the concave pits are arranged to form turbulence pits, and the arrangement at each angle is favorable for turbulence acceleration heat transfer of liquid flowing through the inside of the radiating pipe.
The fins are flatly arranged on the upper surface of the radiating pipe, and the plane of the upper surface of each fin is flush with the upper surface of the support frame to form a plane. The fins are in a zigzag shape, a plurality of grooves which are distributed in a vertically staggered mode are formed, and the cross sections of the grooves are trapezoidal, wherein the upper portions of the grooves are wide, and the lower portions of the grooves are narrow. The upper surface and the lower surface of the fin increase the heat dissipation area, and the heat dissipation speed is increased.
Comparative example 1
As shown in fig. 5, for the cross-sectional structure of traditional V type radiator, including fan 1, heating panel 2 has two to be the V type setting, the fan level sets up and spanes between two heating panels in the top of V type heating panel, heating panel 2 includes two pressure manifold 3, cooling tube 4 and fin 5, cooling tube and fin interval arrangement, the both ends of all cooling tubes are fixed and communicate through the pressure manifold, and fin and cooling tube in this comparative example all are perpendicular setting with the pressure manifold, lead to the perpendicular whole heating panel plane of U type groove in the fin, are certain angle with the wind direction that the top got off, and the intake is limited during the use, influences the radiating effect.
Example 4
As shown in fig. 6, the water radiator prepared by using the heat dissipation plate of the present invention includes fins, heat dissipation tubes and flow collection tubes, wherein the heat dissipation tubes of the fins are arranged in a stacked manner at intervals, two ends of the heat dissipation tubes are fixed on the flow collection tubes, the flow collection tubes are communicated with all the heat dissipation tubes, the heat dissipation tubes are inclined between the two flow collection tubes, and the ventilation openings in the fins are also inclined, so that the ventilation openings of the fins are aligned with the air direction when the whole water radiator is installed, thereby ensuring that the heat exchange is fully performed.
Example 5
As shown in fig. 7, the intercooler prepared by using the heat dissipation plate of the present invention includes fins, heat dissipation tubes and headers at two ends, wherein the heat dissipation tubes of the fins are arranged in a stacked manner at intervals, the two ends of the heat dissipation tubes are fixed on the headers through main pieces, the headers are communicated with all the heat dissipation tubes, the heat dissipation tubes are inclined between the two headers, and the ventilation openings in the fins are also inclined, so that when the intercooler is installed on a vehicle for use, the ventilation openings of the fins are consistent with the wind direction coming from the outside, so that wind can fully enter the fins, and the heat exchange is fully performed.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the present invention is not limited thereto, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications can be made to the technical solutions described in the foregoing embodiments or equivalent substitutions for some technical features, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims (3)
1. A fin of parallelogram cross-section which characterized in that: the fins are wavy, a plurality of U-shaped grooves distributed alternately up and down are formed in the fins, and the upper ends and the lower ends of the fins are oblique planes in the same direction, so that the side faces are in a parallelogram shape.
2. A parallelogram cross-section fin as set forth in claim 1, wherein: the fin is installed at the heat exchange board and is that the long side that makes the fin is personally submitted the slope form with the upper and lower surface level of fin is placed, makes the long side face of fin hugged closely to the cooling tube, and the fin sets up with the cooling tube interval, and the both ends of all cooling tubes are fixed with two collecting chambers respectively, make the cooling tube be certain angle slope and fix between the pressure manifold.
3. A parallelogram cross-section fin as set forth in claim 2, wherein: two heat exchange plates are arranged in a V shape, so that the U-shaped groove in the fin is vertically downward, and air is blown towards the vertical downward direction by crossing the fan from the upper part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121753063.6U CN215984170U (en) | 2021-07-29 | 2021-07-29 | Fin with parallelogram cross section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121753063.6U CN215984170U (en) | 2021-07-29 | 2021-07-29 | Fin with parallelogram cross section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215984170U true CN215984170U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121753063.6U Active CN215984170U (en) | 2021-07-29 | 2021-07-29 | Fin with parallelogram cross section |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215984170U (en) |
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2021
- 2021-07-29 CN CN202121753063.6U patent/CN215984170U/en active Active
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